Front end pass switch for battery monitoring circuit

A battery system has a cell, a substrate mounted on the cell, and monitoring circuitry on the substrate and exclusively powered by the cell. The battery system also has a switch on the substrate electrically between the cell and monitoring circuit, and control circuitry on the substrate. The control...

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Bibliographische Detailangaben
Hauptverfasser:	Chen, Chingchi, Tabatowski-Bush, Benjamin A, Gibeau, John Paul
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TESTING
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Beschreibung
Zusammenfassung:	A battery system has a cell, a substrate mounted on the cell, and monitoring circuitry on the substrate and exclusively powered by the cell. The battery system also has a switch on the substrate electrically between the cell and monitoring circuit, and control circuitry on the substrate. The control circuitry, responsive to a value of a parameter of the cell measured by the monitoring circuitry falling outside a predefined range, opens the switch to electrically disconnect the monitoring circuit from the cell.